Common Stock Repurchases	9 Months Ended
Apr. 30, 2013
Common Stock Repurchases	14. Common Stock Repurchases: On December 9, 2010, we announced that our Board of Directors authorized the repurchase of up to $30,000 of our common stock. The repurchase program was funded using our available cash. During the nine months ended April 30, 2012, we repurchased and retired 286,390 shares of common stock under this repurchase program for $14,813 at an average purchase price of $51.73 per share. Upon completion of the program in the second quarter of fiscal year 2012, we ultimately repurchased and retired a total of 586,679 shares of common stock for $30,000 at an average purchase price of $51.14 per share. On December 8, 2011, we announced that our Board of Directors had authorized the repurchase of up to an additional $30,000 of our common stock. The repurchase program will be funded using our available cash. There were no repurchases of common stock under our repurchase program during the three months ended April 30, 2013. During the nine months ended April 30, 2013, we repurchased and retired 85,327 shares of common stock, respectively, under this repurchase program for $6,024 at an average purchase price of $70.56 per share. During the three and nine months ended April 30, 2012, we repurchased and retired 3,350 and 18,082 shares of common stock, respectively, under this repurchase program for $183 and $982, respectively, at an average purchase price of $54.95 and $54.38 per share, respectively. As of April 30, 2013, we repurchased and retired a total of 222,918 shares of common stock under this repurchase program for $14,468 at an average purchase price of $64.90 per share.

14. Common Stock Repurchases:

On December 9, 2010, we announced that our Board of Directors authorized the repurchase of up to $30,000 of our common stock. The repurchase program was funded using our available cash. During the nine months ended April 30, 2012, we repurchased and retired 286,390 shares of common stock under this repurchase program for $14,813 at an average purchase price of $51.73 per share. Upon completion of the program in the second quarter of fiscal year 2012, we ultimately repurchased and retired a total of 586,679 shares of common stock for $30,000 at an average purchase price of $51.14 per share.

On December 8, 2011, we announced that our Board of Directors had authorized the repurchase of up to an additional $30,000 of our common stock. The repurchase program will be funded using our available cash. There were no repurchases of common stock under our repurchase program during the three months ended April 30, 2013. During the nine months ended April 30, 2013, we repurchased and retired 85,327 shares of common stock, respectively, under this repurchase program for $6,024 at an average purchase price of $70.56 per share. During the three and nine months ended April 30, 2012, we repurchased and retired 3,350 and 18,082 shares of common stock, respectively, under this repurchase program for $183 and $982, respectively, at an average purchase price of $54.95 and $54.38 per share, respectively. As of April 30, 2013, we repurchased and retired a total of 222,918 shares of common stock under this repurchase program for $14,468 at an average purchase price of $64.90 per share.